Indriyani, Mega (2022) SISTEM KENDALI OPTIMAL DENGAN LINEAR QUADRATIC REGULATOR (LQR) PADA PLTMH. Undergraduate (S1) thesis, Universitas Muhammadiyah Malang.

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Abstract

Micro hydro power plant is a type of small-scale generator and is a renewable energy generation system. The water level and the amount of water discharge are considered for the utilization of energy from the speed of the water flow in the MHP. A good and efficient generating system is very important to meet the increasing demand for electricity. Stability is required in the generation process in order to operate optimally. One of the important parameter stability is frequency stability. This stability can be achieved by controlling the frequency. This research is dedicated in presenting a method to maintain the frequency response of a Micro Hydro Power Plant (MHP) system at the required value. In this paper, a state space model for a micro hydro power system unit is presented, and the controllability and observability of the system are also discussed. Furthermore, full state feedback controller and tracking gain are designed to optimize system performance. This research studies the effect of frequency load before and after the addition of optimal control of LQR. In the simulation results, before the addition of LQR control, the average overshoot value was 10.556%, then after converting the system into state space the average overshoot value was 1.627%. As a comparison between the two systems before and after the addition of the optimal control LQR with an R matrix of 0.0001, the optimal controller LQR reduces the settling time from an average of 8.0084 s to 3.0578 s. After an additional 10% of the burden; 20%; 30%; 40% and 50% of MHP systems with optimal control of LQR can maintain frequency stability within a range of 50 Hz. In general, the designed optimal LQR controller provides the best performance in terms of improving the switching response for the value of overshoot, settling time, and steady state time.

Item Type:	Thesis (Undergraduate (S1))
Student ID:	201710130311061
Thesis Advisors:	Ermanu Azizul Hakim (0705056501), Zulfatman (0709117804)
Keywords:	Frequency, Frequency Controller, Mycro Hydro Power Plant, Optimum Controller LQR, State Space Linier Model
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Faculty of Engineering > Department of Electrical Engineering (20201)
Depositing User:	201710130311061 megaindriyani32
Date Deposited:	22 Jan 2022 01:20
Last Modified:	22 Jan 2022 01:20
URI :	http://eprints.umm.ac.id/id/eprint/83532

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